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Normal Echocardiographic Measurements in a Korean Population Study: Part I. Cardiac Chamber and Great Artery Evaluation

Normal Echocardiographic Measurements in a Korean Population Study: Part I. Cardiac Chamber and Great Artery Evaluation

초록/요약

Background: Measurement of the cardiac chamber is essential, and current guidelines recommend measuring and reportingvalues for both sides of the cardiac chamber during echocardiographic evaluation. Normal echocardiographic reference values havebeen suggested previously, but detailed information about right-sided chambers and values according to gender was not included. Methods: This is a prospective multicenter (23 centers) study evaluating normal Korean adult subjects using comprehensiveechocardiography. We included normal adult subjects (age; 20–79 years old) who had no significant cardiac disorders or illnesses, annusuchas hypertension or diabetes, which could affect cardiac structure and function. We measured the cardiac chamber includingboth right and left ventricles as well as atria according to current echocardiography guidelines and compared values according togender and age groups. Results: A total of 1003 subjects were evaluated and the mean age was 48 ± 16 years. Left ventricular (LV) dimensions increased,but LV volume decreased in older subjects. Right ventricular (RV) area decreased in women and older subjects, and theRV long-axis dimension showed a similar trend. Left atrial (LA) volume increased in men but there were no differences in LA volumeindex between men and women. The dimension of great arteries increased in men and older subjects. Conclusion: Since there were considerable differences between men and women and in the different age groups, and thetrends differed significantly between different echo variables, normal echocardiographic cutoff values should be differentially appliedbased on age and gender.

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